B1607-HEADLAMP SWITCH INPUT CIRCUIT LOW

For a complete wiring diagram, refer to the Wiring Information.

When Monitored:
With the ignition on.
Set Condition:
The Cluster detects the Head Lamp Switch Input circuit voltage is less than the expected value.

Possible Causes
LEFT MULTIFUNCTION SWITCH

CHECK FOR AN ACTIVE DTC

NOTE: Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set.

1.	Turn the ignition on.

2.	Turn the Headlamps on and off three times.

3.	With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

Replace the Left Multifunction Switch in accordance with the Service Information.
Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).

Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.

B1607-HEADLAMP SWITCH INPUT CIRCUIT LOW

Possible Causes